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My bad,
To be more explicit, It's a language question.
what is a close order drill?
what is crisp parade ground formation? and how does that relate to the ball and foot discussion?
The language you are speaking is military jargon and my request is that you define your language so that I might be able to relate my practice to your words .

formation marching.

left face, right face, about face, etcetera.

it gets more complicated when you add the rifle in a military context or the sousaphone in a marching band context, but the basic turning movements involve a variety of turns on toes, turns on heels, turns on toes and heels, half turn on one toe and heel then the second half of the turn on the other toe and heel.

ultimately, it has the same relationship to moving in an upright posture that finger exercises and scales have to playing music.

it gets more complicated when you add the rifle in a military context or the sousaphone in a marching band context, but the basic turning movements involve a variety of turns on toes, turns on heels, turns on toes and heels, half turn on one toe and heel then the second half of the turn on the other toe and heel.

ultimately, it has the same relationship to moving in an upright posture that finger exercises and scales have to playing music.